Dietary Supplement. Maximum. Highly absorbable calcium promotes bone health. Compare and save. Calcium is the primary mineral responsible for strong bones. The body also uses calcium for proper muscle contraction and nerve function. Vitamin D assists in maintaining a healthy immune system and promotes calcium absorption. This formula delivers a highly absorbable and bioavailable form of Calcium. Healthy you. Healthy earth. Laboratory tested. Guaranteed quality. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)